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Related Experiment Video

Updated: May 17, 2025

Digital Hybrid Model Preparation for Virtual Planning of Reconstructive Dentoalveolar Surgical Procedures

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Published on: August 5, 2021

Treatment for Altered Passive Eruption: A 30-Month Follow-Up Case Study With a Digital Workflow Approach.

Guenther Schuldt Filho¹, Christopher Basily², Arsalan Danesh²

¹Periodontology, Nova Southeastern University, Clearwater, USA.

|May 15, 2025

Summary

Digital workflow and 3D-printed surgical guides enhance gummy smile treatment predictability. This case report demonstrates accurate aesthetic crown lengthening for altered passive eruption, ensuring long-term periodontal health.

Keywords:

crown lengthening dental esthetics gingivectomy periodontics smile

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Area of Science:

Dentistry
Digital Dentistry
Periodontology

Background:

Excessive gingival display (gummy smile) can be addressed with aesthetic crown lengthening.
Digital planning and 3D-printed surgical guides offer enhanced precision in dental procedures.
Altered passive eruption is a condition requiring careful surgical and prosthetic management.

Observation:

A case of altered passive eruption was treated using digital workflow and a 3D-printed surgical guide for aesthetic crown lengthening.
The surgical procedure involved a 3D-guided gingivectomy and osteotomy.
Post-operative prosthetic management included replacing a veneer due to exposed margins after gingival healing.

Findings:

The 3D-printed surgical guide facilitated accurate execution of the digital plan for crown lengthening.
Long-term follow-up (30 months) showed excellent margin stability and maintained periodontal health.
The digital workflow demonstrated significant benefits in the predictability of the periodontal aesthetic treatment.

Implications:

Digital workflow and 3D-printed guides improve accuracy and predictability in periodontal aesthetic treatments.
This technology has potential for wider application in complex restorative and periodontal cases.
Enhanced treatment planning and execution can lead to superior patient outcomes and satisfaction.